UltraSeal QuietCure 100-sf, is an Acoustic Underlayment & Moisture Barrier for use in residential and commercial flooring applications. As part of our Professional Collection, quietCureâ„¢ is an excellent choice for most Laminate, Engineered and Solid hardwood flooring installations. QuietCureâ„¢ can be used in Floating, Nail down, and Double glue down installations. Available both with and without ultraSeal self-sealing lip & tape system.